Textile Software With Multiple Copy of Invoice With GST

Question

Hey Gays,

I have created my own product for textile industry with GST Calculation.

Features of Product :

 

The main features of my product is user can print multiple invoice copy on single click, Original for owner, Duplicate for transporter and Triplicate for Merchant.

 

As well as user can see the all record of ledger, and also send mail of created invoice.

 

User also can see the sales and stock report. 

 

Can change company's information and GST informaion from setting. 

 

Lifetime Product Licence.  

 

Actually, I want to sale my software. can anyone tall me the best place/platform where i can sale my product.